Definition
In old English law, a carno was an immunity or privilege. The term appears in historical English legal records as a designation for a granted exemption or special right, typically conferred by royal or feudal authority upon a person, institution, or locality.
Common Language
Modern common usage (Wiktionary): A village and community in Powys, Wales, and the river that flows past it, joining the Severn at Caersws.
Historical common usage (Webster's 1913): No entry recorded.
The geographic and legal senses share no meaningful connection. The Welsh place name and the old English legal term are unrelated; a researcher encountering "carno" in a historical legal document should not assume any geographic reference.
Why It Matters in Research
CARNO is a rare archaism that appears almost exclusively in pre-modern English legal records. Researchers working in medieval or early modern English sources — particularly documents touching on feudal grants, ecclesiastical privileges, or royal charters — may encounter the term without gloss or explanation. Its practical meaning overlaps substantially with broader concepts of franchise, liberty, and immunity, and in many historical documents it may be used interchangeably with those terms.
The principal research trap is obscurity: because the term is rare and not carried forward into modern legal usage, it is easily overlooked or misread in manuscript sources. Both editions of Black's Law Dictionary attribute the definition to Cowell — specifically John Cowell's *The Interpreter* (1607), a standard glossary of law terms in use during the early modern period — which is the most reliable starting point for further investigation of the term's historical context and usage.
Researchers should be alert to the possibility that carno, as an immunity or privilege, carried localized or contextual meaning depending on the granting instrument. The nature of the privilege — personal, real, or institutional — would depend entirely on the source document rather than the term itself.
Historical Dictionary Support
Both Black's Law Dictionary (1st and 2nd editions) offer identical, minimal entries: "In old English law. An immunity or privilege. Cowell." Neither edition elaborates on the scope, form, or typical subject matter of a carno, nor do they distinguish it from related concepts such as liberty or franchise. Both editions rely entirely on Cowell as their source, suggesting the term had already become sufficiently archaic by the nineteenth century that independent legal usage was not available to the editors.
The uniformity across editions indicates no evolution in understanding between the two publications — the compilers simply carried the entry forward unchanged. Researchers should treat both entries as reflecting the same single-source authority rather than independent corroboration.
Encyclopedia Cross-Reference
See Law Mind Encyclopedia: Feudal Tenures; Franchise and Liberty; Royal Grants and Charters.